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Alternator Failures
This was brought up briefly in another thread, but I feel it may deserve its own.
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Heat is the enemy here. You have two sources, the internal heat produced by the alternator AND the external heat produced by the engine. The alternator basically sits next to the engine and, for reasons mentioned above, problems may arise. POSSIBLE SUGGESTIONS: Reduce external heat by cutting away that portion of the hood insulation that covers the vents on the alternator. a little breathing room may allow for alternator cooling when engine is off (or running), offering a path for heat to escape. Removing the underbelly pan to reduce trapped heat and underhood temperatures. Find a way to keep our cooling fans running for a bit, after the ignition is turned off, to help cool down underhood temps. There are many cars that use this circuitry. Reduce internal alternator heat by replacing Normal alternators with high-output units. A high-output unit works more efficiently and produces amps more easily so it doesn't have to work as hard. A more efficient unit generates less internal heat to begin with. Upgrade alternator wires to a larger gauge to reduce resistance (heat) and improve current flow, making the work of the alternator easier. THOUGHTS? .
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields. 4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . Last edited by svxcess; 03-13-2013 at 04:30 PM. |
#2
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Re: Alternator Failures
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#3
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Re: Alternator Failures
I know we don't have much room for it but some kind of duct directing airflow through the alternator would help.
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
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